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Shtirlitz [24]
2 years ago
11

Simplify the expression by combining like

Mathematics
2 answers:
seraphim [82]2 years ago
7 0
Answer: 9x² +5x:

Add x² terms and x terms
Dennis_Churaev [7]2 years ago
6 0

Answer:

9x² + 5x

Step-by-step explanation:

4x² + 6x + 5x²-x

Combine like terms:-

4x² + 5x² = 9x²

6x - x = 5x

9x² + 5x

-----------------------------

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In a circuit, two resistors of 100 Ω and 80 Ω are connected in parallel. The parallel group is then connected in series with a 1
nordsb [41]

Answer:

Total Resistance = \frac{1300}{9} Ω  (or 144.44 Ω)

Step-by-step explanation:

If two resistors, with resistance x and y, are connected in parallel, their total resistance is given by the formula:

\frac{1}{Total}=\frac{1}{x}+\frac{1}{y}

If 2 resistors with resistance x and y and connected in series, their total resistance would be:

Total = x + y

<em>Now, the first part, 100 and 80 are in parallel, so according to formula it would be:</em>

<em>\frac{1}{Total}=\frac{1}{x}+\frac{1}{y}\\\frac{1}{Total}=\frac{1}{100}+\frac{1}{80}\\\frac{1}{Total}=\frac{9}{400}\\Total = \frac{400}{9}</em>

<em />

<em>Now, this is connected in series with 100, so the grand total would be:</em>

<em>Total Resistance of Circuit = \frac{400}{9}+100=\frac{1300}{9}</em>

<em />

This is the total resistance of the circuit.

4 0
3 years ago
ALGEBRA 1:
Mashcka [7]
Hold on I will awnswer
8 0
3 years ago
Express the following ratio as a fraction in simplest form.<br> $32 for 10 tickets
nordsb [41]

Answer:

$16/5tickets

Step-by-step explanation:

it be in simplest form mate.

6 0
3 years ago
Yuri purchased 8 trees to have planted at his house. The store charged a delivery fee of $5 per tree.
Ray Of Light [21]
You would first subtract 5*8 from 168 which would leave it at 128 then divided it by 8 and then you'll end up with 16 so each tree cost 16$
3 0
4 years ago
Name a pair of complementary angles in the diagram above.
Tamiku [17]

Answer:

7&9

Step-by-step explanation:

Really, its just because, that's my explanation.

3 0
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